Allow Contributors to Upload Media
Lets users who can write posts but not upload files (the Contributor role) add images to their drafts. The role itself is not changed in the database.
Snippet Library
Users snippets for WordPress
Snippets for user accounts, roles and profiles: extra profile fields, new columns in the users list, last-login tracking and tighter control of what each role can do. Handy for membership sites, client sites and teams with many authors.
Assign a Role Based on the Email Domain
Gives people who register with certain email domains a different role automatically, for example staff at your company become Contributors.